For citations:
Fedyanin M.Yu., Tryakin A.A., Rays A.B., Kononets P.V., Abou-Haidar O.B., Gladilina I.A., Malikhova O.A., Tyulyandin S.A., Stilidi I.S. Meta-analysis of studies on the effectiveness of adding anti-PD1 antibodies to the first-line chemotherapy in advanced esophageal cancer. Malignant tumours. 2023;13(2):29-55. (In Russ.) https://doi.org/10.18027/2224-5057-2023-13-2-3